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package org.mortbay.jetty.utils;

/**
 *
 * @author Dang
 */
public class Random {
    public static String RandCode(String str){
        String s="";
        s+=str;
        for(int i=0;i<4;i++){
             int n=(int)(10.0* Math.random());
             String sub=new String();
             sub=String.valueOf(n);
             s+=sub;
           
        }
        return s;
    }
}
